[luatex] LuaTeX garbles special tokens in terminal output

[Joseph Wright]

On 24/12/2018 08:58, Henri Menke wrote:
>> Output to the terminal uses ^^ notation for the lower control range (𝑐
>> < 32), with the exception
>> of ^^I, ^^J and ^^M. These are considered ‘safe’ and therefore printed
>> as-is.
> 
> Ahhh, that's really inconvenient.  This makes debugging macros handling
> verbatim material impossible.  Is there a possibility to access the

Is there a reason you don't want to do this from the 'TeX side'? I'd 
just use expl3's \tl_analysis_show:N or equivalent (i.e. decompose and 
show meaning token-by-token).

Joseph